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2w ago

Kiwoom Posts All-Star Infielder Song Sung-mun for MLB as 30-Day Window Opens Saturday

A two-year surge at the plate puts the 29-year-old corner infielder on the market, with his KBO extension voiding only if he signs with an MLB club.

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Song Sung-mun of the Kiwoom Heroes rounds the bases after hitting an RBI double against the LG Twins during a Korea Baseball Organization regular-season game at Gocheok Sky Dome in Seoul, in this Sept. 9, 2025, file photo. (Yonhap)
Song Sung-mun of the Kiwoom Heroes hits an RBI double against the LG Twins during a Korea Baseball Organization regular-season game at Gocheok Sky Dome in Seoul, in this Sept. 9, 2025, file photo. (Yonhap)
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Overview

  • MLB teams can begin negotiating with Song at 8 a.m. ET Saturday, with the posting window closing at 5 p.m. ET on Dec. 21.
  • Any deal would trigger a release fee to Kiwoom calculated as 20% of the first $25 million guaranteed, 17.5% of the next $25 million, and 15% above $50 million.
  • If no agreement is reached, Song cannot be posted again until Nov. 1, 2026, and his six-year, 12 billion won Kiwoom extension would take effect.
  • After posting a .340/.409/.518 line in 2024, Song hit .315/.387/.530 with 26 homers in 2025 while playing primarily third base with experience at second and first.
  • Scouts peg him around a 45 FV with plus pull-side power and a plus arm but question his bat-to-ball against MLB velocity; clubs like the Angels, Astros, A's, Mariners, White Sox, Pirates, Marlins, Rangers, Diamondbacks, Tigers, and Royals are viewed as possible suitors.